<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>标签通信</title>
</head>
<body>
    
    <script>
        
        localStorage.setItem('a','345');

        console.log(document.cookie);
        
    </script>

</body>
</html>